Ulla Marianne Frogner

Part of Stoneridge, Inc., Stoneridge Electronics Ltd. is a leading manufacturer of tachographs and system solutions for the transport industry. Based in Edinburgh, UK, Stoneridge Electronics provides high-quality integrated fleet solutions and first-class aftersales service. The British company offers integrated systems and services that comply with European legislation, providing innovative solutions for efficient fleet management. The company specializes in improving safety, productivity, and job satisfaction in the truck sector with their innovative tachographs. The company was founded in 1992. Stoneridge Electronics was acquired by Stoneridge, Inc. on August 30, 1999.

Stoneridge Aftermarket GmbH engages in the sale and distribution of tachometers. It also provides related services. The company is headquartered in Mühlacker, Germany.